kurz/domain/domain_spi.go

package domain

var shortURLRepository ShortURLRepository
var targetURLRepository TargetURLRepository

type ShortURLRepository interface {
	GetTarget(su ShortURL) (TargetURL, error)
}

type TargetURLRepository interface {
	/*
	GetShort returns the ShortURL for a given TargetURL.

	In the results, isNew will be true if the ShortURL was created for this occasion.
	 */
	GetShort(tu TargetURL) (su ShortURL, isNew bool, err error)
}

func RegisterRepositories(sur ShortURLRepository, tur TargetURLRepository) {
	shortURLRepository = sur
	targetURLRepository = tur
}